CLC/TC 121A
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
64761 | LVS EN IEC 60947-7-4:2019 | Low-voltage switchgear and controlgear - Part 7-4: Ancillary equipment - PCB terminal blocks for copper conductors | Standarts spēkā |
69434 | LVS EN IEC 60947-8:2023 | Low-voltage switchgear and controlgear - Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines | Standarts spēkā |
64760 | LVS EN IEC 60947-9-1:2019 | Low-voltage switchgear and controlgear - Part 9-1: Active arc-fault mitigation systems - Arc quenching devices | Standarts spēkā |
66447 | LVS EN IEC 60947-9-2:2025 | Low-voltage switchgear and controlgear - Part 9-2: Active arc-fault mitigation systems - Optical-based internal arc-detection and mitigation devices | |
66414 | LVS EN IEC 62026-1:2019 | Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 1: General rules | Standarts spēkā |
75860 | prEN IEC 60947-10:2025 | Low-voltage switchgear and controlgear - Part 10: Semiconductor circuit-breakers | Aptauja slēgta |
77039 | prEN IEC 60947-1 rev | Low-voltage switchgear and controlgear - Part 1: General rules | Izstrādē |
77941 | prEN IEC 60947-5-1:2022/prAA | Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices | Izstrādē |
75933 | prEN IEC 60947-5-3:2025 | Low-voltage switchgear and controlgear - Part 5-3: Control circuit devices and switching elements - Requirements for proximity devices with defined behaviour under fault conditions (PDDB) | Aptauja slēgta |
79510 | prEN IEC 60947-6-1:2025 | Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment | Aptauja slēgta |
Displaying 151-160 of 164 results.